He specializes in common and difficult diseases in hepatobiliary and pancreatic surgery. He has in-depth research on the comprehensive treatment and full management of primary liver cancer, precise treatment of portal hypertension, multidisciplinary treatment platform for acute severe pancreatitis, benign and malignant diseases in hepatobiliary and pancreatic surgery such as hepatoportal cholangiocarcinoma, gallbladder stones, bile duct stones, gallbladder cancer and pancreatic cancer.